C9.3 Engines for Caterpillar Built Machines Caterpillar


Exhaust Cooler (NRS) - Remove and Install

Usage:

336E L BMH

拆卸步骤

表 1
所需工具    
工具     零件号     零件描述     数量    
A.     207-1600 (1)     橡胶润滑剂     1    
207-1601 橡胶润滑剂     1    
( 1 ) 用于 EAME

注: 由于不同的机器配置,可能需要拆卸没有在本步骤中说明的部件。 请参阅相应的手册来拆卸必要的部件。

  1. 请参阅操作和保养手册, "冷却系统冷却液(ELC)- 更换",以了解正确的排放和加注步骤。

    注: 步骤 2 至步骤 4 可能并不适用于所有发动机配置。 若是如此,请从步骤 5 开始。




    图 1g02763336

  1. 断开软管组件 (2) 。

  1. 拆下软管 (1) 、软管 (3) 、适配器和夹子。



    图 2g02763418

  1. 将机油油位表 (4) 放在一边。 拆下支架组件 (5) 。



    图 3g02763456

  1. 松开带箍 (6) 和软管。

    注: 带箍和软管是一次性使用部件。 拆卸时废弃,然后安装新部件。

  1. 松开卡箍 (10) 。 拆下螺栓 (8) 和 (11) 。

  1. 拆下排气冷却器 (7) 。 从排气冷却器 (7) 上拆下弯头 (9) 和卡箍 (10) 。

    注: 记录弯头的方位。 箭头应该指向排气冷却器。

  1. 拆下管路 (12) 。 从管 (12) 上拆下 O 形密封圈。

安装步骤

  1. 按照相反顺序安装排气冷却器 (7) 。

    1. 将一薄层工具 (A) 涂抹到管 (12) 的孔和 O 形密封圈上。

    1. 安装新弯头 (9) 和卡箍 (10) 。 将卡箍组件 (10) 拧紧至扭矩为 7.5 ± 1 N·m (66 ± 9 lb in)。

      注: 弯头上的箭头应该指向排气冷却器。 弯头的未对准总量为横向 1.50 mm (0.06 in) 和轴向 1.50 mm (0.06 in)。

    1. 将螺栓 (11) 拧紧至扭矩为 55 ± 10 N·m (41 ± 7 lb ft)。

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